Keyboard



FIG. 1 is a top perspective view of a first embodiment of the keyboard showing our new design;

FIG. 2 is a second top perspective view thereof;

FIG. 3 is a bottom perspective view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front elevation view thereof;

FIG. 7 is a rear elevation view thereof;

FIG. 8 is a left side elevation view thereof; and

FIG. 9 is a right side elevation view thereof.

FIG. 10 is a top perspective view of a second embodiment of the keyboard showing our new design;

FIG. 11 is a second top perspective view thereof;

FIG. 12 is a bottom perspective view thereof;

FIG. 13 is a top plan view thereof;

FIG. 14 is a bottom plan view thereof;

FIG. 15 is a front elevation view thereof;

FIG. 16 is a rear elevation view thereof;

FIG. 17 is a left side elevation view thereof; and,

FIG. 18 is a right side elevation view thereof.

The broken lines, shown in the figures, represent portions of the keyboard, which form no part of the claimed design. The broken lines immediately adjacent the shaded areas represent the bounds of the claimed design and forms no part of the claimed design. 

CLAIM The ornamental design for keyboard, as shown and described. 